diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c index 4aa3426a9ba4..d9bd83203a15 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c @@ -22,14 +22,16 @@ struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj) return drm_prime_pages_to_sg(obj->dev, etnaviv_obj->pages, npages); } -void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj) +int etnaviv_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) { - return etnaviv_gem_vmap(obj); -} + void *vaddr; -void etnaviv_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) -{ - /* TODO msm_gem_vunmap() */ + vaddr = etnaviv_gem_vmap(obj); + if (!vaddr) + return -ENOMEM; + dma_buf_map_set_vaddr(map, vaddr); + + return 0; } int etnaviv_gem_prime_mmap(struct drm_gem_object *obj, @@ -70,9 +72,10 @@ void etnaviv_gem_prime_unpin(struct drm_gem_object *obj) static void etnaviv_gem_prime_release(struct etnaviv_gem_object *etnaviv_obj) { + struct dma_buf_map map = DMA_BUF_MAP_INIT_VADDR(etnaviv_obj->vaddr); + if (etnaviv_obj->vaddr) - dma_buf_vunmap(etnaviv_obj->base.import_attach->dmabuf, - etnaviv_obj->vaddr); + dma_buf_vunmap(etnaviv_obj->base.import_attach->dmabuf, &map); /* Don't drop the pages for imported dmabuf, as they are not * ours, just free the array we allocated: @@ -85,9 +88,15 @@ static void etnaviv_gem_prime_release(struct etnaviv_gem_object *etnaviv_obj) static void *etnaviv_gem_prime_vmap_impl(struct etnaviv_gem_object *etnaviv_obj) { + struct dma_buf_map map; + int ret; + lockdep_assert_held(&etnaviv_obj->lock); - return dma_buf_vmap(etnaviv_obj->base.import_attach->dmabuf); + ret = dma_buf_vmap(etnaviv_obj->base.import_attach->dmabuf, &map); + if (ret) + return NULL; + return map.vaddr; } static int etnaviv_gem_prime_mmap_obj(struct etnaviv_gem_object *etnaviv_obj, |